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The Evolution of the Retention Pin

A new retention pin design enables the spring-loaded workholding devices to do more than simply ease part loading. They can clamp parts, too.

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Over the years, spring-loaded retention pin designs have evolved. Traditionally, they have helped users locate a part on a fixture and hold it in place before actuating swing or link clamps that secure the part for machining. However, this new version from Master Workholding includes a hydraulic circuit enabling the devices to function as clamps, too.

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